18013124 has 12 divisors (see below), whose sum is σ = 31593744. Its totient is φ = 8986344.

The previous prime is 18013123. The next prime is 18013141. The reversal of 18013124 is 42131081.

It is a junction number, because it is equal to n+sod(n) for n = 18013096 and 18013105.

It is not an unprimeable number, because it can be changed into a prime (18013123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (2632812).

Almost surely, 2^18013124 is an apocalyptic number.

It is an amenable number.

18013124 is a deficient number, since it is larger than the sum of its proper divisors (13580620).

18013124 is a wasteful number, since it uses less digits than its factorization.

18013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114 (or 10112 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 18013124 is about 4244.1870835297. The cubic root of 18013124 is about 262.1378176696.

The spelling of 18013124 in words is "eighteen million, thirteen thousand, one hundred twenty-four".